Photogrammetric Calibration and Point Determination Using a Digital CCD Camera (original) (raw)

Digital CCD cameras are increasingly being used for photogrammetric applications, mainly for digitizing film hardcopies and in elose range environments (robot vi-sion, machine vision). Aprerequisite for these tasks is a sufficient geometrie and radiometrie accuracy of the camera. In this paper we assess the geometrie accuracy potential of a digital CCD camera, the ProgRes 3000, for photo-grammetric point determination using the selfealibra-tion approach in conjunction with a sm all testfield. 8 images of this testfield with 29 weIl defined points were recorded. Measurement of the image coordinates of these points was carried out using two different me-thods: a chain code algorithm and least squares mat-ching. The results are reported and discussed. Furthermore, the impact of the camera calibration on object point determination is demonstrated. Achieved empirical standard deviations of the control points He in the range of 30 flm or 1:20.000 in object space.